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DS1023, DS1023S
8-Bit Programmable Timing Element


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Description
FULL DATA SHEET (PDF, 256kB)
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The DS1023 is an 8-bit programmable delay line similar in function to the DS1020/DS1021.

Additional features have been added to extend the range of applications:
The internal delay line architecture has been revised to allow clock signals to be delayed by up to a full period or more. Combined with an on-chip reference delay (to offset the inherent or "step zero" delay of the device) clock phase can now be varied over the full 0-360 degree range.

On-chip gating is provided to allow the device to provide a pulse width modulated output, triggered by the input with duration set by the programmed value.

Alternatively the output signal may be inverted on chip, allowing the device to perform as a free-running oscillator if the output is (externally) connected to the input.

Key Features
  • Step sizes of 0.25 ns, 0.5 ns, 1 ns, 2 ns, 5 ns
  • On-chip reference delay
  • Configurable as delay line, pulse width modulator, or free-running oscillator
  • Can delay clocks by a full period or more
  • Guaranteed monotonicity
  • Parallel or serial programming
  • Single 5V supply
  • 16-pin DIP or SOIC package

Key Specifications:   Delay Lines (Programmable)
Part Number Functions Number of Program Steps Program Step Size (ns) Minimum Delay or Pulse Width (ns) Maximum Delay or Pulse Width (ns) Program Interface Supply Voltage (V) Variation in Supply Voltage RoHS Available Package Smallest Available Package (max w/pins) (mm2) Price*
DS1023-100 
1-Shot
Delay Line
256 1 16.5 255 3-Wire Serial
8-Bit Parallel
5 ±5% Yes PDIP/16
SOIC/16
80 $7.22 @ 1k
DS1023-200  2 510 $7.22 @ 1k
DS1023-25  0.25 63.75 $7.22 @ 1k
DS1023-50  0.5 127.5 $7.22 @ 1k
DS1023-500  5 1275 $7.22 @ 1k
See All Delay Lines (Programmable) (30)
Notes:
*This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

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    2005-07-07
    This page last modified: 2007-06-15




             



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